Cobalt drill bit sets
by TTP HARD drills
Cobalt drill bit sets are certainly a must for anyone who wants to be able to drill hardened steel. Because they are considered by most to be the best drill bits for drilling metal they are therefore used by professionals for drilling stainless steel and other difficult alloys. TTP HARD drill bits have been tested for hardness by SGS Testing and will outperform hss drill bits when drilling harder metals.
TTP HARD drill bits are the preferred choice of metal drill bits by civil engineers and heavy plant fitters who need a reliable drill bit capable of drilling chrome, stainless steel and hardened metals.
Metric Cobalt drill bit sets
19 Piece metric Cobalt drill bit set
The small metric cobalt drill set by TTP HARD drills contains 19 drill bits. Ranging from 1mm to 10mm increasing in 0.5mm increments. Probably our top selling drill set due to its cost and ability to drill majority of hole sizes up to 10mm.
25 Piece metric cobalt drill bit set
The large metric cobalt drill set by TTP HARD drills contains 25 drill bits. Ranging from 1mm to 13mm increasing in 0.5mm increments. Due to the wide range of drill bit sizes this drill set is the preferred choice by professionals who never know when they will need to drill a larger hole in hardened steel.
Imperial Cobalt drill bit sets
21 Piece imperial Cobalt drill bit set
The small imperial cobalt drill set by TTP HARD drills contains 21 drill bits. Ranging from 1/16″ to 3/8″ increasing in 1/64″ increments. Therefore making it the perfect choice for those looking to drill smaller imperial sized holes in harder metals.
29 Piece imperial cobalt drill bit set
The large imperial cobalt drill set by TTP HARD drills contains 29 drill bits. Ranging from 1/16″ to 1/2″ increasing in 1/64″ increments. Consequently this set is chosen by those looking to be able to drill a wide variety of imperial hole sizes right up to 1/2″.